Home / 1,039,001.70-1,554,957.78-870,712.05

Finding the Fourth Proportional to 1,039,001.70, 1,554,957.78 and 870,712.05

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Solution

The fourth proportional to 1,039,001.70, 1,554,957.78 and 870,712.05 is: 1,303,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,001.70 : 1,554,957.78 = 870,712.05 : x
  2. Step 2: Convert to fraction form
    1,039,001.70/1,554,957.78 = 870,712.05/x
  3. Step 3: Cross multiply
    1,039,001.70x = 1,554,957.78 × 870,712.05
  4. Step 4: Simplify right side
    1,039,001.70x = 1,353,920,476,287.25
  5. Step 5: Solve for x
    x = 1,353,920,476,287.25/1,039,001.70
  6. Step 6: Final answer
    x = 1,303,097.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.